LM3668SD-3034/NOPB Allicdata Electronics
Allicdata Part #:

LM3668SD-3034/NOPBTR-ND

Manufacturer Part#:

LM3668SD-3034/NOPB

Price: $ 0.71
Product Category:

Integrated Circuits (ICs)

Manufacturer: Texas Instruments
Short Description: IC REG BUCK BOOST PROG 1A 12WSON
More Detail: Buck-Boost Switching Regulator IC Positive Program...
DataSheet: LM3668SD-3034/NOPB datasheetLM3668SD-3034/NOPB Datasheet/PDF
Quantity: 1000
1000 +: $ 0.64310
2000 +: $ 0.59875
5000 +: $ 0.57658
Stock 1000Can Ship Immediately
$ 0.71
Specifications
Voltage - Output (Min/Fixed): 3V, 3.4V
Base Part Number: LM3668
Supplier Device Package: 12-WSON (3x3)
Package / Case: 12-WFDFN Exposed Pad
Mounting Type: Surface Mount
Operating Temperature: -40°C ~ 85°C (TA)
Synchronous Rectifier: Yes
Frequency - Switching: 2.2MHz
Current - Output: 1A
Voltage - Output (Max): --
Series: --
Voltage - Input (Max): 5.5V
Voltage - Input (Min): 2.5V
Number of Outputs: 1
Output Type: Programmable
Topology: Buck-Boost
Output Configuration: Positive
Function: Step-Up/Step-Down
Part Status: Active
Packaging: Tape & Reel (TR) 
Description

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The LM3668SD-3034/NOPB is a DC-DC Switching Regulator from Texas Instruments. It is part of the wide range of voltage regulators offered under the TI Power Management Integrated Circuit (PMIC) product line. This regulator is a good choice for energy-efficient applications such as industrial, automotive, and consumer applications because of its high efficiency, low power dissipation, fast response time, and wide input voltage range.The LM3668SD-3034/NOPB is a DC-DC switching regulator with a wide input voltage range from 3.0V to 24V and it can deliver up to 3A of output current. The regulator integrates several control circuits, such as error amplifiers, two comprehensive protection systems, a low-power operation, and programmable switching frequency. Its quiescent supply current is only 1.2mA and it has a high efficiency of 96%. This device also allows for adjustable switching frequency and it features a soft-start circuit that reduces inrush current when powering up the system.The core component of the LM3668SD-3034/NOPB is the switching regulator. It consists of several stages, such as an error amplifier, feedback control circuit, current limit control circuit, and a pulse-width modulator (PWM) control circuit. The error amplifier receives input from the output voltage feedback and compares it with a reference voltage to create an error voltage. This voltage is then fed to the PWM circuit, which adjusts the duty cycle of the switching transistor to control the output voltage. The current limit control circuit is used to set the maximum current limit for the regulator, thus protecting it from overloads. The output voltage can be controlled by either setting a resistive divider network or by using a digital signal processor (DSP) to adjust the feedback voltage. The device also features an internal soft-start function that reduces inrush current when powering up the system. This soft-start time can be programmed independently. One of the main features of the LM3668SD-3034/NOPB is its wide input and output voltages. It can operate with an input voltage ranging from 3.0V to 24V and it is capable of providing an output voltage ranging from 0.7V to 16V. This range makes this regulator suitable for many types of applications, such as industrial, automotive, and consumer applications. In addition to its wide input and output voltage range, the regulator also has a low-power operation and fast response time. When the input voltage is between 3V and 18V, the quiescent current is only 1.2mA. In addition, the regulator supports a programmable switching frequency of between 100kHz and 1.2MHz. This means that the regulator can deliver a fast transient response necessary for most applications. Overall, the LM3668SD-3034/NOPB is a good choice for energy-efficient applications thanks to its high efficiency, low-power operation, adjustable switching frequency, and wide input and output voltage range. Its fast response time and low-power operation make it suitable for consumer, automotive, and industrial applications.

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